Mahabharata 12.197.19

मनस्याकृतयो मग्ना मनस्त्वतिगतं मतिम्मतिस्त्वतिगता ज्ञानं ज्ञानं त्वभिगतं परम्

manasyākṛtayo magnā manastvatigataṃ matimmatistvatigatā jñānaṃ jñānaṃ tvabhigataṃ param

Our plain-language meaning of this verse is waiting for scholar review.